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Add support for hwb,hsl,cmyk (need tests)

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Dave Davenport 2017-05-06 16:10:20 +02:00
parent bb5d839f9c
commit a8bf476db3
1 changed files with 80 additions and 0 deletions
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80
lexer/theme-lexer.l
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@ -36,6 +36,7 @@
#include <glib.h>
#include <gio/gio.h>
#include <helper.h>
#include <math.h>
#include "rofi.h"
#include "theme.h"
@ -82,6 +83,39 @@ GQueue *queue = NULL;
ParseObject *current = NULL;
static char * rofi_theme_parse_prepare_file ( const char *file, const char *parent_file );
#define IN_RANGE(index,low,high) ( ( (index) > (low) )? ( ( (index) < (high) )? (index):(high) ) : ( low ) )
static double hue2rgb(double p, double q, double t){
t += (t<0)?1:0;
t -= (t>1)?1:0;
if( t < (1/6.0) ) {
return p + (q - p) * 6 * t;
}
if( t < (1/2.0) ) {
return q;
}
if( t < (2/3.0) ) {
return p + (q - p) * (2/3.0 - t) * 6;
}
return p;
}
static ThemeColor hsl_to_rgb ( double h, double s, double l )
{
ThemeColor colour;
if(s < 0.001 && s > -0.001){
colour.red = colour.green = colour.blue = l; // achromatic
}else{
double q = l < 0.5 ? l * (1 + s) : l + s - l * s;
double p = 2 * l - q;
colour.red = hue2rgb(p, q, h + 1/3.0);
colour.green = hue2rgb(p, q, h);
colour.blue = hue2rgb(p, q, h - 1/3.0);
}
return colour;
}
%}
%{
@ -448,6 +482,52 @@ if ( queue == NULL ){
yylval->colorval.alpha = 1.0;
return T_COLOR;
}
<PROPERTIES>hsl\({NUMBER}{1,3},[1]?{NUMBER}{1,2}{PERCENT},[1]?{NUMBER}{1,2}{PERCENT}\) {
char *endptr = &yytext[4];
gint64 hi= g_ascii_strtoll ( endptr, &endptr, 10);
gint64 si= g_ascii_strtoll ( endptr+1, &endptr, 10);
gint64 li= g_ascii_strtoll ( endptr+2, &endptr, 10);
gdouble h = IN_RANGE(hi, 0, 359);
gdouble s = IN_RANGE(si, 0, 100);
gdouble l = IN_RANGE(li, 0, 100);
yylval->colorval = hsl_to_rgb ( h/360.0, s/100.0, l/100.0 );
yylval->colorval.alpha = 1.0;
return T_COLOR;
}
<PROPERTIES>cmyk\([1]?{NUMBER}{1,2}{PERCENT},[1]?{NUMBER}{1,2}{PERCENT},[1]?{NUMBER}{1,2}{PERCENT},[1]?{NUMBER}{1,2}{PERCENT}\) {
char *endptr = &yytext[5];
gint64 ci = g_ascii_strtoll ( endptr, &endptr, 10);
gint64 mi = g_ascii_strtoll ( endptr+2, &endptr, 10);
gint64 my = g_ascii_strtoll ( endptr+2, &endptr, 10);
gint64 mk = g_ascii_strtoll ( endptr+2, &endptr, 10);
double c= IN_RANGE(ci, 0, 100)/100.0;
double m= IN_RANGE(mi, 0, 100)/100.0;
double y= IN_RANGE(my, 0, 100)/100.0;
double k= IN_RANGE(mk, 0, 100)/100.0;
yylval->colorval.red = (1.0-c)*(1.0-k);
yylval->colorval.green = (1.0-m)*(1.0-k);
yylval->colorval.blue = (1.0-y)*(1.0-k);
yylval->colorval.alpha = 1.0;
return T_COLOR;
}
<PROPERTIES>hwb\({NUMBER}{1,3},[1]?{NUMBER}{1,2}{PERCENT},[1]?{NUMBER}{1,2}{PERCENT}\) {
char *endptr = &yytext[4];
gint64 hi = g_ascii_strtoll ( endptr, &endptr, 10);
gint64 hw = g_ascii_strtoll ( endptr+1, &endptr, 10);
gint64 hb = g_ascii_strtoll ( endptr+2, &endptr, 10);
double h= IN_RANGE(hi,0,360)/360.0;
double w= IN_RANGE(hw,0,100)/100.0;
double b= IN_RANGE(hb,0,100)/100.0;
yylval->colorval = hsl_to_rgb ( h, 1.0, 0.5);
yylval->colorval.red *= ( 1. - w - b );
yylval->colorval.red += w;
yylval->colorval.green *= ( 1. - w - b );
yylval->colorval.green += w;
yylval->colorval.blue *= ( 1. - w - b );
yylval->colorval.blue += w;
yylval->colorval.alpha = 1.0;
return T_COLOR;
}
<PROPERTIES>argb:{HEX}{1,8} {
union { unsigned int val; struct { unsigned char b,g,r,a;};} val;
val.val = (unsigned int)strtoull ( &yytext[5], NULL, 16);